00001 /*This file is prepared for Doxygen automatic documentation generation.*/ 00017 /* Copyright (c) 2009 Atmel Corporation. All rights reserved. 00018 * 00019 * Redistribution and use in source and binary forms, with or without 00020 * modification, are permitted provided that the following conditions are met: 00021 * 00022 * 1. Redistributions of source code must retain the above copyright notice, this 00023 * list of conditions and the following disclaimer. 00024 * 00025 * 2. Redistributions in binary form must reproduce the above copyright notice, 00026 * this list of conditions and the following disclaimer in the documentation 00027 * and/or other materials provided with the distribution. 00028 * 00029 * 3. The name of Atmel may not be used to endorse or promote products derived 00030 * from this software without specific prior written permission. 00031 * 00032 * 4. This software may only be redistributed and used in connection with an Atmel 00033 * AVR product. 00034 * 00035 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 00036 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00037 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 00038 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR 00039 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00040 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00041 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00042 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00043 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00044 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 00045 * 00046 */ 00047 00048 #ifndef _DEVICE_AUDIO_TASK_H_ 00049 #define _DEVICE_AUDIO_TASK_H_ 00050 00051 00052 //_____ I N C L U D E S ____________________________________________________ 00053 00054 #include "conf_usb.h" 00055 00056 #if USB_DEVICE_FEATURE == DISABLED 00057 #error device_audio_task.h is #included although USB_DEVICE_FEATURE is disabled 00058 #endif 00059 00060 00061 //_____ D E F I N I T I O N S ______________________________________________ 00062 00064 #define MAX_BMA_CONTROLS 4 00065 00066 //typedef struct 00067 //{ 00068 // U8 unit; 00069 // U8 n_bmaControls; 00070 // U8 bmaControls[MAX_BMA_CONTROLS]; 00071 //} cs_feature_unit_t; 00072 00075 //#define MAX_FEATURE_UNITS 3 00076 00077 typedef struct 00078 { 00079 volatile U32 g_sample_freq; 00080 volatile U8 g_n_channels; 00081 volatile U8 g_n_bits_per_sample; 00082 U16 byte_count; 00083 00084 U8 interf_audio_stream; 00085 00086 Bool sample_rate_set; 00087 } device_audio_task_data_t; 00088 00089 //_____ M A C R O S ________________________________________________________ 00090 00091 00092 //_____ D E C L A R A T I O N S ____________________________________________ 00093 00094 extern void device_audio_task_init(void); 00095 #ifdef FREERTOS_USED 00096 extern void device_audio_task(void *pvParameters); 00097 #else 00098 extern void device_audio_task(void); 00099 #endif 00100 extern void usb_sof_action(void); 00101 extern void device_audio_enable_microphone(void); 00102 extern void device_audio_disable_microphone(void); 00103 00104 #endif // _DEVICE_AUDIO_TASK_H_